| Regimental number | 7149 |
| Religion | Roman Catholic |
| Occupation | Blacksmith |
| Address | Merredin, Western Australia |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Harmon Jugo Spearshot Chegweddin, Merredin, Western Australia |
| Enlistment date | |
| Place of enlistment | Merredin, Western Australia |
| Rank on enlistment | Sapper |
| Unit name | 4th Field Company Engineers, Reinforcement 5 |
| AWM Embarkation Roll number | 14/23/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A16 Star Of Victoria on |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 1st Field Company Engineers |
| Other details from Roll of Honour Circular | Enlisted 16 November 1915 - 4 Company 5th Reinforcement; taken on strength 1 Company 12 August 1916; mortally wounded 28 September 1917. |
| Fate | Died of wounds |
| Place of death or wounding | Flanders |
| Age at death | 24 |
| Place of burial | Lijssenthoek Military Cemetery (Plot XXX, Row AA, Grave No 1), Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 23 |
| Family/military connections | Brother: 3296 Pte St Clair CHEGWIDDEN, Australian Flying Corps, returned to Australia, 3 July 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |